United Nations panel finalizing discussions on climate change and land report

July's first 29 days were marginally warmer or on par with July 2016 the previous hottest July when average temperatures over land and ocean were 0.87 deg C above the 20th-century average according to WMO and National Oceanic and Atmospheric Admini

July's first 29 days were marginally warmer or on par with July 2016 the previous hottest July when average temperatures over land and ocean were 0.87 deg C above the 20th-century average according to WMO and National Oceanic and Atmospheric Admini

By 2050, the world will need to produce 56% more food than in 2010, to feed a predicted 9.8 billion people.

This is in line with the upcoming UN's Intergovernmental Panel on Climate Change (IPCC) report, in which scientists deliver a stark condemnation of the damage being done to the land surface.

If the world requires millions of extra square miles for food production, it will clash with planned schemes to limit global warming, including so-called "bioenergy with carbon capture and storage", or BECCS schemes.

Through the Paris Climate Agreement, world leaders have committed to preventing the globe from warming more than 3.6 degrees (2 Celsius), and are trying to keep global warming even more limited, to 2.4 degrees (1.5 Celsius), relative to preindustrial levels.

The full title of the report to be released is Climate Change and Land: an IPCC special report on climate change, desertification, land degradation, sustainable land management, food security, and greenhouse gas fluxes in terrestrial ecosystems.

The month's first 29 days were marginally warmer or on par with July 2016, the previous hottest July when average temperatures over land and ocean were 0.87C (1.57F) above the 20th-century average, according to WMO and National Oceanic and Atmospheric Administration (NOAA) data.

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Countries have agreed to curb global temperature rises to "well below" 2C and to pursue efforts to keep them to 1.5C above pre-industrial levels under the worldwide Paris Agreement secured in the French capital in 2015. "This new report should bring this home to us".

Scientists have linked the warming planet to man-made climate change, predicting a rise in temperatures of 1.5C (2.7F) between 2030 and 2052 if global warming continues apace. His calculations, according to climate scientists, appear to assume that every ton of Carbon dioxide stored in replanted trees would be a ton of Carbon dioxide removed from the atmosphere.

In addition, it takes decades for trees to reach their maximum CO2-absorbing potential, as the authors themselves point out.

The sharpest objections - which may also apply to BECCS - had to do with assumptions made about the type and quantity of land available for reforestation.

Andre Laperrière, Executive Director of Global Open Data for Agriculture and Nutrition, said: 'Our industrialised farming practices are in fact the largest contribution to soil erosion and pollution, and perhaps the biggest hurdle we face is to try and teach about half a billion farmers globally to re-work their agricultural model to be carbon sensitive.

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